Widely applicable: Suitable for hydroponic systems, ponds, aquarium fish tanks, helping extend the life of your nutrient solution, keep fish/ roots healthy and promote plant growth
Air Stone Dimension: 2 "D x 2" H
Recommended aFits for 3/ 16 inch standard airline tubing high-output air pump at least 7W or a commercial air pump
Quality and safe materials: Made of safe and washable material(Soak them for at least 2 hours before use)
